Based on the context of this sentence, which would be the best synonym for complicated a. challenging-backbreaking or demanding b. difficult-hard to do, or carry out; arduous c. elaborate-marked by complexity, full of detail or ornate d. involved-marked by extreme and often unneeded complexity

i pretty sure it is old

explanation:

original oratory is a competitive event in the national speech and debate association, stoa usa, national catholic forensic league, and other high school forensic competitions in which competitors deliver an original speech on a subject of their choosing, though the speech must be factual.racial discrimination refers to discrimination against individuals on the basis of their race. policies of racial segregation may formalize it, but it is also often exerted without being legalized and also it means facing injustice.